Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan mon con snippets" » "nhap mon con snippets", "nhan mo con snippets", "nhan con con snippets", "nhan lon con snippets", "nhan moi con snippets", "nhan mot con snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("nhan mon con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan mon con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan mon con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan mon con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.